HOLLEY ULTRA XP 850 CARBURETOR

$1,295.95

1 in stock

SKU: DEL- HLY0-80804HBX Category:

Description

DEL-TRON PRODUCTS

Part No. DEL- HLY0-80804HBX

Xtreme Performance – Holley Ultra XP™ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They’re available in our all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection.

Features:

  • Aluminum Construction (saves 4.5 lbs – 38% weight savings)

  • Hard Core Gray with black anodized billet aluminum metering block and booster inserts

  • Designed for use on Drag race, circle track, or any high horsepower engines

  • Contoured venturri inlet offers balanced airflow for increased horsepower

  • Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii

  • Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)

  • Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship.

  • Helps maintain good idle control when using radical camshafts.

  • Dual 30cc accelerator pumps provide the perfect amount of fuel from idle to full throttle

  • Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling

  • Clear sight windows on both sides of bowls for easy and safe fuel level adjustments

  • Built in drain plug in front center of bowl provides easy access to empty contents of bowl

  • 8AN (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side

  • 4 corner idle allows you to precisely control your idle system

  • Mechanical Secondaries for perfect off the line launches

  • Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150™ style) or large flange (Holley Dominator® style)

  • Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools

  • Primary throttle shaft capped to prevent entry of debris & contaminates

  • Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side

  • Stainless steel adjustable secondary link. Provides choice of 1:1 or progressivesecondary throttle actuation for ultimate control of secondary opening rate

  • Baseplate designed with a boss that can be consumer machined for vacuum source

  • Includes notched float and jet extensions

  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Additional information

Weight 9 lbs
Dimensions 13 × 12 × 8 in

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